Seong Jae works at a major firm, but always works late due to the workload. Once, he falls asleep while working overtime and reaches the Sleep Bank, where he takes a sleep loan from the branch manager. Seong Jae returns to the sleep bank after continuous nights of overtime and extends his sleep loan. Seong Jae manages to reach his target achievement thanks to the sleep loan, but the interest has built up, and the time when he has to pay it all back has come... This movie is expected to bring about fun that is different from entertainment TV shows, despite the doubt that such movies won't make it big. However, there is also a hidden ending by writers Joo Ho Min and Lee Mal Nyeon. The hidden ending will be released on YouTube and TikTok, prior to the TV release.Edit Translation